;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2020 Efraim Flashner <efraim@flashner.co.il>
;;;
;;; This file is part of GNU Guix.
;;;
;;; GNU Guix is free software; you can redistribute it and/or modify it
;;; under the terms of the GNU General Public License as published by
;;; the Free Software Foundation; either version 3 of the License, or (at
;;; your option) any later version.
;;;
;;; GNU Guix is distributed in the hope that it will be useful, but
;;; WITHOUT ANY WARRANTY; without even the implied warranty of
;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
;;; GNU General Public License for more details.
;;;
;;; You should have received a copy of the GNU General Public License
;;; along with GNU Guix.  If not, see <http://www.gnu.org/licenses/>.

(define-module (gnu services science)
  #:export (<rshiny-configuration>
            rshiny-configuration
            rshiny-configuration?
            rshiny-configuration-package
            rshiny-configuration-binary
            rshiny-shepherd-service
            rshiny-service-type))

(use-modules (gnu)
             (guix records)
             (ice-9 match))
(use-service-modules shepherd)
(use-package-modules cran)

(define-record-type* <rshiny-configuration>
  rshiny-configuration
  make-rshiny-configuration
  rshiny-configuration?
  (package          rshiny-configuration-package    ; package
                    (default r-shiny))
  (binary           rshiny-configuration-binary     ; string
                    (default "rshiny")))

(define rshiny-shepherd-service
  (match-lambda
    (($ <rshiny-configuration> package binary)
     (list
       (shepherd-service
         (documentation (string-append "R-Shiny service for " binary))
         (provision (list (symbol-append 'rshiny- (string->symbol
                                                    (string-take binary 9)))))
         (requirement '(networking))
         (start
           #~(exec-command
               (list
                 #$(string-append "/run/current-system/profile/bin/" binary))
               ;#:log-file #$(string-append "/var/log/" binary ".log") ; kills shepherd
               #:environment-variables
               (list "R_LIBS_USER=/run/current-system/profile/site-library/")))
         (stop #~(make-kill-destructor)))))))

(define rshiny-service-type
  (service-type
    (name 'rshiny)
    (extensions
      (list
        (service-extension shepherd-root-service-type
                           rshiny-shepherd-service)
        (service-extension profile-service-type
                           ;; We want the package installed so that it
                           ;; pulls in the propagated inputs as well.
                           (lambda (config)
                             (list
                               (rshiny-configuration-package config))))))
    (description
     "Run an R-Shiny webapp as a Guix Service.")))
='25'>25</option><option value='30'>30</option><option value='35'>35</option><option value='40'>40</option></select></td></tr><tr><td class='label'>space:</td><td class='ctrl'><select name='ignorews' onchange='this.form.submit();'><option value='0' selected='selected'>include</option><option value='1'>ignore</option></select></td></tr><tr><td class='label'>mode:</td><td class='ctrl'><select name='dt' onchange='this.form.submit();'><option value='0' selected='selected'>unified</option><option value='1'>ssdiff</option><option value='2'>stat only</option></select></td></tr><tr><td/><td class='ctrl'><noscript><input type='submit' value='reload'/></noscript></td></tr></table></form></div><table summary='commit info' class='commit-info'>
<tr><th>author</th><td>Ricardo Wurmus &lt;rekado@elephly.net&gt;</td><td class='right'>2021-01-11 11:49:04 +0100</td></tr>
<tr><th>committer</th><td>Ricardo Wurmus &lt;rekado@elephly.net&gt;</td><td class='right'>2021-01-11 11:49:41 +0100</td></tr>
<tr><th>commit</th><td colspan='2' class='oid'><a href='/guix/commit/.dir-locals.el?id=b54b3f5419849286611279231d8a2c61d3e935b4'>b54b3f5419849286611279231d8a2c61d3e935b4</a> (<a href='/guix/patch/.dir-locals.el?id=b54b3f5419849286611279231d8a2c61d3e935b4'>patch</a>)</td></tr>
<tr><th>tree</th><td colspan='2' class='oid'><a href='/guix/tree/?id=b54b3f5419849286611279231d8a2c61d3e935b4'>797ed89e875dc40283765295b2dc715162dfdab7</a> /<a href='/guix/tree/.dir-locals.el?id=b54b3f5419849286611279231d8a2c61d3e935b4'>.dir-locals.el</a></td></tr>
<tr><th>parent</th><td colspan='2' class='oid'><a href='/guix/commit/.dir-locals.el?id=bd46b80aa1c82def8535ac3350dddeb98476360b'>bd46b80aa1c82def8535ac3350dddeb98476360b</a> (<a href='/guix/diff/.dir-locals.el?id=b54b3f5419849286611279231d8a2c61d3e935b4&amp;id2=bd46b80aa1c82def8535ac3350dddeb98476360b'>diff</a>)</td></tr><tr><th>download</th><td colspan='2' class='oid'><a href='/guix/snapshot/guix-b54b3f5419849286611279231d8a2c61d3e935b4.tar.gz'>guix-b54b3f5419849286611279231d8a2c61d3e935b4.tar.gz</a><br/><a href='/guix/snapshot/guix-b54b3f5419849286611279231d8a2c61d3e935b4.zip'>guix-b54b3f5419849286611279231d8a2c61d3e935b4.zip</a><br/></td></tr></table>
<div class='commit-subject'>gnu: guile-picture-language: Update to 0.0.1-4.291a746.</div><div class='commit-msg'>* gnu/packages/guile-xyz.scm (guile-picture-language): Update to
0.0.1-4.291a746.
[propagated-inputs]: Add guile-cairo.
</div><div class='diffstat-header'><a href='/guix/diff/?id=b54b3f5419849286611279231d8a2c61d3e935b4'>Diffstat</a> (limited to '.dir-locals.el')</div><table summary='diffstat' class='diffstat'></table><div class='diffstat-summary'>0 files changed, 0 insertions, 0 deletions</div><table summary='diff' class='diff'><tr><td></td></tr></table></div> <!-- class=content -->
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